HTTP Status Codes

100 - Continue
Tells the client that the first part of the request has been received and that it should continue with the rest of the request or ignore if the request has been fulfilled.

101 - Switching Protocols
Tells the client that the server will switch protocols to that specified in the Upgrade message header field during the current connection.

200 - OK
The request sent by the client was successful.

201 - Created
The request was successful and a new resource was created.

202 - Accepted
The request has been accepted for processing, but has not yet been processed.

203 - Non-Authoritative Information
The returned meta information in the entity-header is not the definitive set as available from the origin server.

204 - No Content
The request was successful but does not require the return of an entity-body.

205 - Reset Content
The request was successful but the User-Agent should reset the document view that caused the request.

206 - Partial Content
The partial GET request has been successful.

300 - Multiple Choices

The requested resource has multiple possibilities, each with different locations.

301 - Moved Permanently
The resource has permanently moved to a different URI.

302 - Found
The requested resource has been found under a different URI but the client should continue to use the original URI.

303 - See Other
The requested response is at a different URI and should be accessed using a GET command at the given URI.

304 - Not Modified
The resource has not been modified since the last request.

305 - Use Proxy
The requested resource can only be accessed through the proxy specified in the location field.

306 - No Longer Used
Reserved for future use.

307 - Temporary Redirect
The resource has temporarily been moved to a different URI. The client should use the original URI to access the resource in future as the URI may change.